exercise 1.4
2. Write all the possible 2-digit numbers that can be formed by using the digits 1, 5 and 9, where the
digits can be used only once. Also find the sum of the numbers.
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Answer:
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Step-by-step explanation:
- Step-by-step explanation:15
- Step-by-step explanation:1519
- Step-by-step explanation:151951
- Step-by-step explanation:15195159
- Step-by-step explanation:1519515991
- Step-by-step explanation:151951599195
Step-by-step explanation:151951599195Sum-
Step-by-step explanation:151951599195Sum-(15+19+51+59+91+95) =330
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